Cro Molecules

Physical Properties :

L-Leucine
 
An essential amino acid in human. Known as BCAAs (branched chained amino acids) which are the main components of muscle protein. It is widely used as an ingredient in infusion and infant formula.

Cas.No	61-90-5
Assay	99.0-101.0%
Specification	White crystals or crystalline powder, odorless or slightly characteristic odor, slightly bitter taste
Applications	Infusion, Cell culture media, Dietary Supplement
Packaging	25kg&50kg
Pharmacopeia	JP,USP,EP,FCC
STORAGE	Controlled room temperature in tight container

 
SPECIFICATION AND PROCEDURE

State of solution (Transmittance)	Not Less Than 98.0%
pH	5.5～6.5
Specific rotation[α]20D	+14.9～+16.0°
Specific rotation[α]25D	+14.9～+17.3°
Ammonium (NH4)	Not More Than 0.020%
Chloride (Cl)	Not More Than 0.020%
Sulfate (SO4)	Not More Than 0.020%
Iron (Fe)	Not More Than 10 ppm
Heavy metals (Pb)**	Not More Than 10 ppm
Arsenic (As2O3)	Not More Than 1 ppm
Loss on drying	Not More Than 0.20%
Residue on ignition	Not More Than 0.10%
Related substances	Not More Than 0.5%
Endotoxin*	Less Than 6.0 EU/g
Assay (dry basis)	99.0～101.0%

· * The endotoxin-certified grade will be supplied on request.
· ** FCC grade (Lead : Not More Than 5 mg/kg) will be supplied on request.
· This product meets requirements of residual solvents listed in the current JP, USP and EP.
 

We are manufacturer and supplier of L-Leucine CAS:61-90-5 in China,We delivery quality products and service to global customers,Please send email for any inquiry.

Custom Manufacturing

CROCHEM provide contract manufacture services with custom synthesis capability of Initial research, process development, lab trials, pilot production and scaling up to commercial production

Quality System

CROCHEM is your bridge to quality specialty chemicals and pharmaceutical, food and nutritional ingredients.Our expertise is in sourcing raw materials from our unrivaled network of suppliers in China,We also provide hands-on regulatory and compliance support as a competitive advantage to both suppliers and customers.We have accumulated a wealth of experienced products and sources in distinctively specializing industries.So we could recommend our new principals with quality materials and provide the following value-added services on quality control.

Regulatory Compliance

CROCHEM provides regulatory and compliance support as a competitive advantage to both suppliers and customers.Our experienced compliance and auditing team offer comprehensive technical support and scientific reinforcement.

Disclaimer: Certain product is for research use only. CROCHEM does not warrant that the use or sale of the products delivered under will not infringe the claims of any China or other patents covering the product itself or the use thereof in combination with other products or the operation of any process.

Pre: epsilon-polylysine CAS:28211-04-3 manufacturer & supplier | Next: 1,6-DIIODOHEXANE CAS:629-09-4 manufacturer & supplier

• Ionic Liquids
• Cosmetic Ingredients
• OLED Chemicals
• Cro Molecules

All our Products